Tag：LAN
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Network counting experiment I Division VLAN
Experiment 1 vlanCreation and division of 1、 Experiment purpose: 1. Understand the working principle of VLAN; 2. Learn the method of dividing VLANs based on ports; 3. Understand the communication between the same VLANs across switches; 4. Further learn the configuration commands of switch ports. 2、 Experimental principle: VLAN (virtual local area network), that is, […]
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MySQL shares databases in the LAN: if you find a database named by a space, you can either run away or beat the head of the database!
MySQL for LAN database sharing When you want to use Mysql to share databases in the LAN, you must pay attention to that the IP addresses of the computers in the experiment need to be in the same network segment, and these computers need to be installed with MySQL services. Don’t talk too much, start […]
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1. Build NTP time server
NTP server time NTP server is used for time synchronization of LAN servers, which can ensure that the time of all servers in LAN is consistent with that of time server. Some applications that require high real-time performance of time must unify the time. There are also many time servers on the Internet, such asntpdate […]
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Python starts the HTTP service in one sentence
Sometimes it’s inconvenient to share something on the LAN, especially on the server. You can’t download it first and then upload it. Therefore, you often use Python to set up an HTTP service on this machine, and then go to another machine to directly access it. One come and two go. It’s not good to […]
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Virtual machine environment construction
2 Linux 2.1 virtual machine environment construction 1. Set virtual machine network2). Default gateway presentation3). DHCP settings4). IP address verification 2.2 description of virtual machine network mode 2.2.1 bridging mode It is equivalent to directly connecting the virtual machine to the local area network. At this time, it will monopolize the IP address It can […]
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Detailed explanation of CentOS 7 network settings
1、 Nat mode NAT technology turns the IP of the computer in the LAN into the port of the NAT server. When your computer wants to browse the web site, it converts your private IP address into public IP through NAT technology in the router to make you swim freely in the Internet world. When […]
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FPNN 1.1.2 Release
FPNN 1.1.2It was officially released on the afternoon of July 26. Contrast 0.9 Version 3, the main changes are as follows: The FPNN UDP module was officially released FPNN UDP provides reliable UDP links. Developers can use UDP reliable connections as an alternative to TCP links in a weak network environment FPNN DUP reliable connection […]
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Ansible executes commands based on the password sudo
Ansible executes commands based on the password sudo requirement analysis The host is currently accessible on the same LAN Authority: All hosts are prohibited from using root to log in directly All hosts are forbidden to configure key login All hosts have sudo to root privileges The SSH login port is 65535 Actual combat plan […]
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4.5 port mapping of container
Basic Edition Create an nginx container named web docker run –name web -d nginx Because the nginx image is very compact, the commands yum, IP, curl, WGet, netstat, etc. inside the web container are not installed.Therefore, to test whether the web container service is running normally, you can try the following operations on the external […]
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LAN service discovery using mDNS (. Net core)
If you want to write a good service, you must have a configuration file. If it is a complex system, even the configuration file needs to be dynamically adjusted, which seems not so convenient. Generally, iconfiguration in asp.net core can only be used to read and does not provide saving function. If you really want […]
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From the perspective of data recovery, this paper analyzes the differences between iSCSI, CIFS and NFS storage methods
For an engineer engaged in data recovery, he is most exposed to all kinds of storage servers every day, so he should be one of the people who have seen the most types of server storage methods. Today, Xiaobian will briefly introduce the differences between iSCSI, CIFS and NFS storage technologies from the perspective of […]
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Solve the problem that nacicat is unable to connect to the remote mysql, and the error 10038 is reported
Set up the environment with LNMP one click installation package, connect with Navicat, find that it is unable to connect and report an error Log in to MySQL #mysql -u root -p 2. Modify the user table of MySQL library and change the host entry from localhost to%.% This means that any host is allowed […]